Qualitative Macroinvertebrate Assessment of Crouch Branch, June 1999

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Description

An assessment of the macroinvertebrate community of Crouch Branch was performed in June 1999 to determine if effluent from the H-02 outfall is impairing the quality of the stream. Concurrent samples were collected for metals analyses (copper and zinc). The results of the study indicate that the stream is most impaired just downstream from the H-02 outfall and that the quality of the stream biota improves with increasing distance from the outfall. Conversely, macroinvertebrate habitat quality is best just downstream from the H-02 outfall. The midreaches of the stream contain very poor habitat quality, and the lower reaches of the ... continued below

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Specht, W.L. November 5, 1999.

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Description

An assessment of the macroinvertebrate community of Crouch Branch was performed in June 1999 to determine if effluent from the H-02 outfall is impairing the quality of the stream. Concurrent samples were collected for metals analyses (copper and zinc). The results of the study indicate that the stream is most impaired just downstream from the H-02 outfall and that the quality of the stream biota improves with increasing distance from the outfall. Conversely, macroinvertebrate habitat quality is best just downstream from the H-02 outfall. The midreaches of the stream contain very poor habitat quality, and the lower reaches of the stream, contain habitat of intermediate quality. Although much of the stream has degraded habitat due to channel erosion and scouring, there is strong evidence to suggest that the impairment is due to elevated concentrations of copper and zinc that are present in the H-02 effluent. A comparison of macroinvertebrate data collected in 1997 to the data collected in this study indicates that the macroinvertebrate community of Crouch Branch has improved markedly in the last two years.

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Medium: P; Size: vp.

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INIS; OSTI as DE00014499

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  • Other Information: PBD: 5 Nov 1999

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  • Report No.: WSRC-TR-99-00410
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/14499 | External Link
  • Office of Scientific & Technical Information Report Number: 14499
  • Archival Resource Key: ark:/67531/metadc621842

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  • November 5, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • May 5, 2016, 6:11 p.m.

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Specht, W.L. Qualitative Macroinvertebrate Assessment of Crouch Branch, June 1999, report, November 5, 1999; South Carolina. (digital.library.unt.edu/ark:/67531/metadc621842/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.